After figuring out how to have a closer look at what ANTLR does, I can confirm that I did, indeed, run into the removed-failsafe issue that Terence references, and that's documented in the release notes for 3.3.
I fixed it by restructuring the syntax. Cheers, and thanks, Rene On 12/02/2010 09:00 AM, Terence Parr wrote: > make that -Xwatchconversion > Ter > On Dec 1, 2010, at 8:02 AM, Terence Parr wrote: > >> hi. please turn on -Xwatchdfaconversion and see which decision kills it. >> this is rare but not impossible. Then, add backtrack=true and k=1 options >> to that decision to resolve. or restructure that decision. >> >> Please report back on success. >> >> Ter >> >> On Dec 1, 2010, at 5:16 AM, Rene Vestergaard wrote: >> >>> Fellow ANTLRs, >>> >>> My biggest .g file (~850 lines) appears to send 3.3 into an infinite >>> loop (>10mins) that keeps allocating heap space (>3GBs). >>> >>> On 3.2, the same task takes a few seconds and around 100MB. >>> >>> Any advice on how to pinpoint the problem? >>> >>> Cheers, >>> Rene >>> >>> List: http://www.antlr.org/mailman/listinfo/antlr-interest >>> Unsubscribe: >>> http://www.antlr.org/mailman/options/antlr-interest/your-email-address >> >> >> List: http://www.antlr.org/mailman/listinfo/antlr-interest >> Unsubscribe: >> http://www.antlr.org/mailman/options/antlr-interest/your-email-address > List: http://www.antlr.org/mailman/listinfo/antlr-interest Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address -- You received this message because you are subscribed to the Google Groups "il-antlr-interest" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/il-antlr-interest?hl=en.
